Overview
The SM6T15A is a Transil series TVS (Transient Voltage Suppressor) diode manufactured by STMicroelectronics. This component is designed to protect sensitive electronic equipment against electrostatic discharges (ESD) and electrical overstress (EOS) in accordance with international standards such as IEC 61000-4-2 and MIL STD 883, method 3015. The SM6T15A is particularly suited for high-end equipment and Switch-Mode Power Supplies (SMPS) due to its low leakage current and high junction temperature capabilities, ensuring reliability and stability over time.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Voltage (VPP) | 30 kV (contact and air discharge) | kV |
| Peak Pulse Power Dissipation | 600 W (10/1000 μs), 4 kW (8/20 μs) | W |
| Stand-off Voltage (VBR) | 12.8 - 15.8 V | V |
| Maximum Clamping Voltage (VCL) | 21.2 V (at 28 A) | V |
| Leakage Current (IRM) | 0.2 μA at 25 °C, 1 μA at 85 °C | μA |
| Operating Junction Temperature (Tj) | -55 to +150 °C | °C |
| Storage Temperature (Tstg) | -65 to +150 °C | °C |
| Lead Finishing | Matte tin plating | |
| Package Type | SMB (Surface Mount) |
Key Features
- High Power Capability: Up to 600 W (10/1000 μs) and 4 kW (8/20 μs) peak pulse power dissipation.
- Low Leakage Current: 0.2 μA at 25 °C and 1 μA at 85 °C, ensuring minimal current draw.
- High Junction Temperature: Operating junction temperature range of -55 to +150 °C.
- Compliance with Standards: Meets IEC 61000-4-2, IEC 61000-4-4, MIL STD 883, and other relevant standards.
- Planar Technology: Suitable for high-end equipment and SMPS due to its reliability and stability.
- Environmental Compliance: UL94 V0, J-STD-020 MSL level 1, and JESD-201 class 2 whisker test compliant.
Applications
- Switch-Mode Power Supplies (SMPS): Protects against surges and ESD in high-efficiency power supplies.
- High-End Electronic Equipment: Suitable for protecting sensitive components in various high-end electronic devices.
- Industrial Control Systems: Provides protection against electrical overstress and ESD in industrial control environments.
- Telecommunication Equipment: Ensures reliability and stability in telecommunication systems.
- Automotive Systems: Protects against transient voltages in automotive electronics.
Q & A
- What is the peak pulse voltage rating of the SM6T15A?
The SM6T15A has a peak pulse voltage rating of 30 kV for both contact and air discharge.
- What is the maximum clamping voltage of the SM6T15A?
The maximum clamping voltage (VCL) of the SM6T15A is 21.2 V at 28 A.
- What are the operating and storage temperature ranges for the SM6T15A?
The operating junction temperature range is -55 to +150 °C, and the storage temperature range is -65 to +150 °C.
- Is the SM6T15A compliant with any industry standards?
Yes, it complies with IEC 61000-4-2, IEC 61000-4-4, MIL STD 883, and other relevant standards.
- What is the package type of the SM6T15A?
The SM6T15A is packaged in an SMB (Surface Mount) format.
- What is the leakage current of the SM6T15A at different temperatures?
The leakage current is 0.2 μA at 25 °C and 1 μA at 85 °C.
- What are some common applications of the SM6T15A?
Common applications include SMPS, high-end electronic equipment, industrial control systems, telecommunication equipment, and automotive systems.
- Does the SM6T15A have any environmental compliance certifications?
Yes, it is compliant with UL94 V0, J-STD-020 MSL level 1, and JESD-201 class 2 whisker test.
- What is the maximum lead temperature for soldering the SM6T15A?
The maximum lead temperature for soldering is 260 °C for 10 seconds.
- What technology is used in the SM6T15A to ensure reliability and stability?
The SM6T15A uses planar technology to ensure reliability and stability over time.
